Remove SkAutoTDeleteArray

This class is already just an alias for std::unique_ptr<T[]>, so replace
all uses with that and delete the class.

CQ_INCLUDE_TRYBOTS=master.client.skia:Test-Ubuntu-Clang-GCE-CPU-AVX2-x86_64-Debug-ASAN-Trybot,Test-Ubuntu-Clang-Golo-GPU-GT610-x86_64-Debug-ASAN-Trybot

Change-Id: I40668d398356a22da071ee791666c7f728b59266
Reviewed-on: https://skia-review.googlesource.com/4362
Reviewed-by: Mike Reed <reed@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>
diff --git a/bench/ImageCacheBudgetBench.cpp b/bench/ImageCacheBudgetBench.cpp
index 11b4c50..12e5790 100644
--- a/bench/ImageCacheBudgetBench.cpp
+++ b/bench/ImageCacheBudgetBench.cpp
@@ -145,7 +145,7 @@
     bool                        fShuffle;
     SkString                    fName;
     sk_sp<SkImage>              fImages[kImagesToDraw];
-    SkAutoTDeleteArray<int>     fIndices;
+    std::unique_ptr<int[]>      fIndices;
     size_t                      fOldBytes;
     int                         fOldCount;